APA (7th ed.) Citation

Ethington, R. L., & Clark, D. L. (1981). Lower and middle ordovician conodonts from the Ibex area, Western Millard County, Utah. Dep. of Geology, Brigham Young Univ.

Chicago Style (17th ed.) Citation

Ethington, R. L., and D. L. Clark. Lower and Middle Ordovician Conodonts from the Ibex Area, Western Millard County, Utah. Provo, Utah: Dep. of Geology, Brigham Young Univ, 1981.

MLA (9th ed.) Citation

Ethington, R. L., and D. L. Clark. Lower and Middle Ordovician Conodonts from the Ibex Area, Western Millard County, Utah. Dep. of Geology, Brigham Young Univ, 1981.